Replaced by delete-duplicate-lines in Emacs 24.4
Adjust defaults for Emacs 24.4

 - Uniquify already enabled by default
 - Try new hi-lock-auto-select-face
 - Remove conflicting tab-always-indent settings
Use Emacs 24.4 ido default for virtual buffers
Drop auto-indent stuff.

Trying electric-indent since it is now on by default.
Unhijack C-x SPC binding.

Emacs 24.4 uses this for rectangle regions, which is handy. Need to
replace my acejump binding.